Revert "[SCCP] Fix mem-sanitizer failure introduced by r315288."

This reverts commit r315294. Part of fixing seg fault introduced in:
http://green.lab.llvm.org/green/job/clang-stage2-configure-Rlto/21675/

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315328 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed